Using Hallberg’s email account, Schneider found that clients questioned everything he asked or suggested in a sometimes condescending manner, says CityNews. One client asked if he was married. Schneider had a similar experience in 2014, when he accidently used an email account he shared with Hallberg. Schneider said one client lied to him and accused him of being unable to understand their conversation.

While using Schneider’s email account, CityNews says Hallberg saw an increase in productivity. Before the test, she sometimes used Schneider’s name when emailing clients to get faster responses.

Dive Insight:

Even simple tests like this have consistently proven what Hallberg and other women have long known: Gender bias is alive and pervasive in 2017.

The test didn’t rely on control groups or detailed data from lengthy studies. Most of the results are anecdotal or qualitative, but they’re enough to show blatant bias. In more severe cases, this kind of test could back up claims that an employer sustained a hostile environment.

Silicon Valley Bank is trying to eliminate gender bias in the recruitment process by removing names from resumes so that candidates’ genders aren't identifiable. Hallberg and Schneider proved gender bias existed by switching names, so the bank might successfully eliminate some bias in hiring decisions.